Home / 18,445,445.60-27,668,168.40-8,858,512.40

Finding the Fourth Proportional to 18,445,445.60, 27,668,168.40 and 8,858,512.40

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Solution

The fourth proportional to 18,445,445.60, 27,668,168.40 and 8,858,512.40 is: 13,287,768.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,445,445.60 : 27,668,168.40 = 8,858,512.40 : x
  2. Step 2: Convert to fraction form
    18,445,445.60/27,668,168.40 = 8,858,512.40/x
  3. Step 3: Cross multiply
    18,445,445.60x = 27,668,168.40 × 8,858,512.40
  4. Step 4: Simplify right side
    18,445,445.60x = 245,098,812,856,688.16
  5. Step 5: Solve for x
    x = 245,098,812,856,688.16/18,445,445.60
  6. Step 6: Final answer
    x = 13,287,768.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.